Finding the Fourth Proportional to 2,269,023.57, 3,131,253.07 and 1,236,531.65
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Solution
The fourth proportional to 2,269,023.57, 3,131,253.07 and 1,236,531.65 is: 1,706,413.96
Step by Step Solution
- Step 1: Write the proportion equation
2,269,023.57 : 3,131,253.07 = 1,236,531.65 : x - Step 2: Convert to fraction form
2,269,023.57/3,131,253.07 = 1,236,531.65/x - Step 3: Cross multiply
2,269,023.57x = 3,131,253.07 × 1,236,531.65 - Step 4: Simplify right side
2,269,023.57x = 3,871,893,506,467.07 - Step 5: Solve for x
x = 3,871,893,506,467.07/2,269,023.57 - Step 6: Final answer
x = 1,706,413.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.